Utility model patent
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A straightening machine for metal parts processing - utility model patent certificate
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A Utility Model Patent Certificate for Motor Transfer Device for Sandblasting Machine
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A practical model patent certificate for a material conveying device of a straightening machine
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A Guide Device for Grinding Axis Parts - Utility Model Patent Certificate
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A Device for Horizontal Pushing of Drawing Machine - Utility Model Patent Certificate
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A practical model patent certificate for a straightening machine's material feeding auxiliary device
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A device for auxiliary feeding of hydraulic straightening machine - utility model patent certificate
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A utility model patent certificate for an anti falling feeding rack
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Patent certificate for utility model of feeding roller for eddy current anti-counterfeiting machine
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A device for pushing materials in a drawing machine - utility model patent certificate
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